AH Aur
| Simbad link | AH Aur |
|---|---|
| Source publication | Gazeas, K. D. (2005) - Physical Parameters of Components in Close Binary Systems: IV |
| ADS link | 2005AcA....55..123G |
| Name in Source publication | AH Aur |
| Orbital period in days (P [d]) | 0.494108 |
| Mass ratio (q) | 0.17 |
| Mass ratio determination | Spectroscopic |
| Type | W |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.494108 |
| Mass ratio (q) | 0.17 |
| Orbital inclination in degrees (i [o]) | 76.1 |
| Fillout (f) | 0.75 |
| Primary temperature in Kelvins (T1 [K]) | 6200 |
| Secondary temperature in Kelvins (T2 [K]) | 6418 |
| Primary polar radius in units of orbital separation (r1p) | 0.5215 |
| Secondary polar radius in units of orbital separation (r2p) | 0.2444 |
| Surface potential (Ω) | 2.064 |
| Orbital separation in solar radii (a [R]) | 3.29 |
|---|---|
| Primary radius in solar units (R1 [R]) | 1.9 |
| Secondary radius in solar units (R2 [R]) | 0.84 |
| Primary mass in solar units (M1 [M]) | 1.67 |
| Secondary mass in solar units (M2 [M]) | 0.28 |
| Primary temperature in kelvins (T1 [K]) | 6200 |
| Secondary temperature in Kelvins (T2 [K]) | 6418 |
| Primary luminosity in solar units (L1 [L]) | 4.73 |
| Secondary luminosity in solar units (L2 [L]) | 1.09 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 2.53 |
| Orbital period in days (P [d]) | 0.494108 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | -0.021522 |
| Cyclic period variation in years (Pc [y]) | |
| Period study | Yu, Yun-Xia (2016) - Orbital Period Investigations of Two W UMa-type Binaries: AH Aur and V728 Her |
| ADS link | 2016PASP..128d4202Y |
| Designation | Gaia DR2 3432822846931027200 |
|---|---|
| RA | 96:31:14.200716 |
| DEC | 27:59:56.285736 |
| l | 185.1534759 |
| b | 7.31376251 |
| G magnitude | 10.166579 |
| G_bp magnitude | 10.526142 |
| G_rp magnitude | 9.71102 |
| Radial velocity [km/s] | |
| Parallax | 3.993203406 |
| Distance [pc] | 250.42551 |
| Temperature [K] | 5850 |
| Radius [R] | 1.9441518 |
| Luminosity [L] | 3.9882145 |
| Orbital period [d] | 0.494106 |
|---|---|
| Temperature [K] | 6017.81 |
| Surface gravity (log(g)) | 4.025 |
| Metallicity ([Fe/H]) | 0.399 |
| Simbad link | AH Aur |
|---|---|
| J magnitude | 9.323 |
| H magnitude | 9.068 |
| K magnitude | 8.994 |
| Johnson_U magnitude | |
| Johnson_B magnitude | 10.84 |
| Johnson_V magnitude | 10.24 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 10.1666 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |